h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 261

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

• P21/USD1/TEND0
• P20/USD0/DREQ0
• The pin function is switched as shown below according to the combination of the P20DDR bit,
Note:
USBCKSTP
TENDE
P21DDR
Pin function
USBCKSTP
P20DDR
Pin function
The pin function is switched as shown below according to the combination of the P21DDR bit,
the TENDE bit in DMMDR_0, and the USBCKSTP bit in MSTPCRL.
the DREQS bit in DMMDR_0, and the USBCKSTP bit in MSTPCRL.
*
When DREQS = 1, this pin functions as DREQ0 input.
P21 input
P20 input
0
0
0
P21 output
1
1
1
DREQ0 input*
P20 output
1
TEND0 output
Rev. 2.00, 03/04, page 229 of 534

1
USD0 I/O
USD1 I/O

0


0